Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8427739 | Optical amplifier | Susumu Kinoshita | 2013-04-23 |
| 8200088 | Optical communication system, and optical communication method and communication unit therefor | Susumu Kinoshita | 2012-06-12 |
| 8032028 | Optical add/drop device | Yutaka Takita, Yutaka Kai, Yasuhiko Aoki | 2011-10-04 |
| 8032035 | Light detecting apparatus and output light intensity controller | — | 2011-10-04 |
| 8019228 | Optical switching transmission system with timing correction | Yasuhiko Aoki | 2011-09-13 |
| 7672585 | Optical switch system | Yasuhiko Aoki | 2010-03-02 |
| 7643751 | Network managing apparatus, optical add/drop multiplexer, and network managing method | Yutaka Kai | 2010-01-05 |
| 7443504 | Arbitrary and endless polarization controller and polarization-mode dispersion compensator using the same and arbitrary and endless polarization controlling method | Setsuo Yoshida, Hideyuki Miyata | 2008-10-28 |
| 7406262 | Optical transmission device | Goji Nakagawa, Hideyuki Miyata, Yutaka Kai, Hiroshi Onaka, Setsuo Yoshida +1 more | 2008-07-29 |